Chord · 9ths
Cmaj9 — C Major 9th
Cmaj9 is the C major 9th chord. It is built on the root C with major 3rd (E), perfect 5th (G), major 7th (B) and major 9th (D) above it — the formula 1 3 5 7 9, sounding the notes C E G B D. On the piano it sits at C (octave 4) and above in the library's voicing; the same 5 notes in any octave are still Cmaj9.
- Root
- C
- Quality
- Major 9th
- Formula
- 1 3 5 7 9
- Notes
- C E G B D
On the keyboard
The notes of Cmaj9
| Degree | Note | Interval from the root | Pitch |
|---|---|---|---|
| 1 | C | root | C4 |
| 3 | E | major 3rd | E4 |
| 5 | G | perfect 5th | G4 |
| 7 | B | major 7th | B4 |
| 9 | D | major 9th | D5 |
Other 9ths on C
Major 9th chords on every root
Part of the chord reference. See also the scales and the keys.